/*************************************************************************/
/*  script_debugger_remote.h                                             */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
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/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/*************************************************************************/

#ifndef SCRIPT_DEBUGGER_REMOTE_H
#define SCRIPT_DEBUGGER_REMOTE_H

#include "io/packet_peer.h"
#include "io/stream_peer_tcp.h"
#include "list.h"
#include "script_language.h"

class ScriptDebuggerRemote : public ScriptDebugger {

	struct Message {

		String message;
		Array data;
	};

	struct ProfileInfoSort {

		bool operator()(ScriptLanguage::ProfilingInfo *A, ScriptLanguage::ProfilingInfo *B) const {
			return A->total_time < B->total_time;
		}
	};

	Vector<ScriptLanguage::ProfilingInfo> profile_info;
	Vector<ScriptLanguage::ProfilingInfo *> profile_info_ptrs;

	Map<StringName, int> profiler_function_signature_map;
	float frame_time, idle_time, fixed_time, fixed_frame_time;

	bool profiling;
	int max_frame_functions;
	bool skip_profile_frame;
	bool reload_all_scripts;

	Ref<StreamPeerTCP> tcp_client;
	Ref<PacketPeerStream> packet_peer_stream;

	uint64_t last_perf_time;
	Object *performance;
	bool requested_quit;
	Mutex *mutex;

	struct OutputError {

		int hr;
		int min;
		int sec;
		int msec;
		String source_file;
		String source_func;
		int source_line;
		String error;
		String error_descr;
		bool warning;
		Array callstack;
	};

	List<String> output_strings;
	List<Message> messages;
	List<OutputError> errors;

	int max_cps;
	int char_count;
	uint64_t last_msec;
	uint64_t msec_count;

	bool locking; //hack to avoid a deadloop
	static void _print_handler(void *p_this, const String &p_string);

	PrintHandlerList phl;

	void _get_output();
	void _poll_events();
	uint32_t poll_every;

	bool _parse_live_edit(const Array &p_command);

	RequestSceneTreeMessageFunc request_scene_tree;
	void *request_scene_tree_ud;

	void _set_object_property(ObjectID p_id, const String &p_property, const Variant &p_value);
	void _send_object_id(ObjectID p_id);
	void _send_video_memory();
	LiveEditFuncs *live_edit_funcs;

	ErrorHandlerList eh;
	static void _err_handler(void *, const char *, const char *, int p_line, const char *, const char *, ErrorHandlerType p_type);

	void _send_profiling_data(bool p_for_frame);

	int _serialize_variant(const Variant &var, const PropertyInfo &p_info, DVector<uint8_t> &buff);
	DVector<uint8_t> _serialize(const Variant &var, const PropertyInfo &p_info);

	struct FrameData {

		StringName name;
		Array data;
	};

	Vector<FrameData> profile_frame_data;

public:
	struct ResourceUsage {

		String path;
		String format;
		String type;
		RID id;
		int vram;
		bool operator<(const ResourceUsage &p_img) const { return vram == p_img.vram ? id < p_img.id : vram > p_img.vram; }
	};

	typedef void (*ResourceUsageFunc)(List<ResourceUsage> *);

	static ResourceUsageFunc resource_usage_func;

	Error connect_to_host(const String &p_host, uint16_t p_port);
	virtual void debug(ScriptLanguage *p_script, bool p_can_continue = true);
	virtual void idle_poll();
	virtual void line_poll();

	virtual bool is_remote() const { return true; }
	virtual void request_quit();

	virtual void send_message(const String &p_message, const Array &p_args);

	virtual void set_request_scene_tree_message_func(RequestSceneTreeMessageFunc p_func, void *p_udata);
	virtual void set_live_edit_funcs(LiveEditFuncs *p_funcs);

	virtual bool is_profiling() const;
	virtual void add_profiling_frame_data(const StringName &p_name, const Array &p_data);

	virtual void profiling_start();
	virtual void profiling_end();
	virtual void profiling_set_frame_times(float p_frame_time, float p_idle_time, float p_fixed_time, float p_fixed_frame_time);

	ScriptDebuggerRemote();
	~ScriptDebuggerRemote();
};

#endif // SCRIPT_DEBUGGER_REMOTE_H